Home / 115,275.08-172,767.16-61,834.52

Finding the Fourth Proportional to 115,275.08, 172,767.16 and 61,834.52

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Solution

The fourth proportional to 115,275.08, 172,767.16 and 61,834.52 is: 92,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,275.08 : 172,767.16 = 61,834.52 : x
  2. Step 2: Convert to fraction form
    115,275.08/172,767.16 = 61,834.52/x
  3. Step 3: Cross multiply
    115,275.08x = 172,767.16 × 61,834.52
  4. Step 4: Simplify right side
    115,275.08x = 10,682,974,410.36
  5. Step 5: Solve for x
    x = 10,682,974,410.36/115,275.08
  6. Step 6: Final answer
    x = 92,673.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.